Clean Truck Check Credentialed Tester

Clean Truck Check in De Kalb, MS

1 credentialed tester in De Kalb.

Testers in De Kalb

Nearest in-person tester to De Kalb

The closest CARB-credentialed Clean Truck Check tester is knight Transportation in Olive Branch, Mississippi — about 168 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Kemper County

Clean Truck Check applies to heavy-duty vehicles that operate in California — including out-of-state trucks based here that run loads west.

Trucking establishments
4
Trucking employees
7

Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.

Freight corridors near De Kalb

De Kalb sits on US-45, MS-16, MS-21, MS-39, MS-493 and MS-495. Trucks running these routes into California fall under CARB’s Clean Truck Check — Smart CTC lets them test remotely without leaving the road.

Source: OpenStreetMap (© OpenStreetMap contributors).

Nearby truck stops

OpenStreetMap-tagged truck stops, services areas, and HGV-marked fuel stations within 25 miles of De Kalb. Useful for routing a service stop around your CTC test.

Source: © OpenStreetMap contributors. Last updated 2026-05-27.